MRI diagnosis and differential diagnosis in the occupied lesions of cerebellopontine angle

Objective:To evaluate the value of MRI in the diagnosis and differential diagnosis of occupied lesions in cerebellopontine angle(CPA).Methods: MRI features of 91 occupied lesions in cerebellopontine angle,which were diagnosed through operation and pathology,were observed and analyzed retrospectively.Results: Sixty-four cases were diagnosed as acoustic neuroma,17 cases were diagnosed as meningioma,5 cases were diagnosed as trigeminal neuroma,3 cases were diagnosed as epidermoid cyst,1 case was diagnosed as glomus jugulare tumor and 1 case was diagnosed as hemangioblastoma.Conclusion:Occupied lesions in CPA can be diagnosed by MRI at a high accurate rate.